### Canonicalized Input Description:

An integer N (1 ≤ N ≤ 50), representing some quantity or size.
N pairs of integers (x, y), where each integer x and y is between -10^9 and 10^9. No two pairs (x, y) have the same x or the same y.

### Example Input:

```
2
1 1
2 2
```

### Function Signature:
Write a function f(N, coordinates) that takes in the input.
def f(N: int, coordinates: List[Tuple[int, int]]):
    ''' 
    N: an integer 
    coordinates: a list of pairs of integers
    '''